00332cam a2200133ua 4500020001200000041001000012082001900022100001900041245006600060260004600126300000900172365001200181504000500193  csh 70/-  aengh  a339.41bCLA/CO  aClark, Colin .  aconditions of economic progress / cClark.hTextual Documents  aLondon : bMacmillan of Co Ltd  , c1960.  a ; .  ash 70/-  a